Home / 68,112.48-93,994.32-38,304.48

Finding the Fourth Proportional to 68,112.48, 93,994.32 and 38,304.48

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Solution

The fourth proportional to 68,112.48, 93,994.32 and 38,304.48 is: 52,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.48 : 93,994.32 = 38,304.48 : x
  2. Step 2: Convert to fraction form
    68,112.48/93,994.32 = 38,304.48/x
  3. Step 3: Cross multiply
    68,112.48x = 93,994.32 × 38,304.48
  4. Step 4: Simplify right side
    68,112.48x = 3,600,403,550.55
  5. Step 5: Solve for x
    x = 3,600,403,550.55/68,112.48
  6. Step 6: Final answer
    x = 52,859.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.